Preparing for a blood test involves simple steps to ensure accuracy and comfort. Follow doctor's instructions regarding fasting and medications, stay ...

A magnesium blood test measures the amount of magnesium, an important mineral, in your blood. Your body needs magnesium from your diet to help your muscles, nerves, heart, and immune system work ...

Julie Smith/News Tribune Grady Claas, right, sits next to his girlfriend, Addyson Spencer, as she gives blood during Friday's ...

CHICAGO — The practice of drawing blood has changed very little over the decades. It looks about the same now as it did 50 years ago. That process, however, may be about to get a modern makeover.

Blood draws for several kinds of diagnostic tests require you to fast for several hours. Eating or drinking anything besides water can skew the results, leading to you needing to be retested. You may ...

The practice of drawing blood has changed very little over the decades. It looks about the same now as it did 50 years ago. That process, however, may be about to get a modern makeover. Several health ...

ROANOKE, Va. – One of the most dreaded parts of being in a hospital for most patients is needles. This is especially true if you need your blood drawn multiple times during a stay, which is often the ...

Getting blood test results can be a scary process, as doctors and labs don't always take the time to explain what each component means. When it comes to complex biomarkers like low A/G ratio, patients ...